InChI=1/C18H21FN4O4S/c1-12(13-2-8-16(9-3-13)28(20,26)27)21-10-17(24)22-11-18(25)23-15-6-4-14(19)5-7-15/h2-9,12,21H,10-11H2,1H3,(H,22,24)(H,23,25)(H2,20,26,27)/t12-/m1/s1/f/h22-23H,20H2 77BC34BCC99DE41B